Baseband processors, base station, user device, and methods thereof

Abstract

The present application relates to a baseband processor, comprising a receiver circuit configured to receive a downlink carrier aggregation transmission, wherein the baseband processor further comprises an encoder configured to generate a Cyclic Redundancy Check (CRC) code word based on at least one Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) feedback bit in response to the downlink carrier aggregation transmission, jointly encode at least one radio network parameter (P) of a user device with the CRC code word, and generate an uplink control information message (M) comprising the at least one HARQ-ACK feedback bit and the jointly encoded radio network parameter and CRC code word. Furthermore, the present application also relates to corresponding methods, a wireless communication system, a computer program, and a computer program product.

What is claimed is: 
     
       1. A baseband processor, comprising:
 a receiver circuit configured to receive a downlink carrier aggregation transmission; and 
 an encoder coupled to the receiver circuit and configured to:
 generate a cyclic redundancy check (CRC) code word based on at least one Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) feedback bit in response to the downlink carrier aggregation transmission, 
 jointly encode at least one radio network parameter (P) of a user device—with the CRC code word, and 
 generate an uplink control information message (M) comprising the at least one HARQ-ACK feedback bit and the radio network parameter and CRC code word. 
 
 
     
     
       2. The baseband processor according to  claim 1 , wherein the radio network parameter (P) indicates an identity of the user device. 
     
     
       3. The baseband processor according to  claim 1 , wherein the radio network parameter (P) indicates one or more of: a number of HARQ-ACK feedback bits or an arrangement of the at least one HARQ-ACK feedback bit in the uplink control information message (M). 
     
     
       4. The baseband processor according to  claim 3 , wherein the radio network parameter (P) further indicates one or more of: a downlink carrier, a downlink carrier group, a subframe, or a transport block for which the at least one HARQ-ACK feedback bit is transmitted. 
     
     
       5. The baseband processor according to  claim 4 , wherein the radio network parameter (P) is represented as a binary code word, and wherein each bit in the binary code word indicates one or more of: a downlink carrier, a downlink carrier group, a subframe, or a transport block for which the at least one HARQ-ACK feedback bit is transmitted. 
     
     
       6. The baseband processor according to  claim 3 , wherein the radio network parameter (P) further indicates an index value transmitted in a downlink control channel for determining the number of the HARQ-ACK feedback bits and the arrangement of the at least one HARQ-ACK feedback bit. 
     
     
       7. The baseband processor according to  claim 1 , wherein the radio network parameter (P) indicates a Scheduling Request (SR). 
     
     
       8. The baseband processor according to  claim 1 , wherein the CRC code word comprises one or more CRC bits, wherein the radio network parameter (P) is represented as a binary code word, and wherein the encoder is further configured to jointly encode the radio network parameter (P) and the CRC code word by bit-wise addition of the one or more CRC bits with the binary code word. 
     
     
       9. The baseband processor according to  claim 8 , wherein the radio network parameter (P) is represented as a binary code word according to one of a block code or a non-linear code. 
     
     
       10. The baseband processor according to  claim 9 , wherein a minimum Hamming distance between code words of the non-linear code is different for different binary code words. 
     
     
       11. A baseband processor, comprising:
 a receiver circuit configured to receive an uplink control information message (M) in an uplink channel, wherein the uplink control information message (M) comprises at least one Hybrid Automatic Repeat Request Acknowledgment (HARQ-ACK) feedback bit in response to a downlink carrier aggregation transmission and at least one jointly encoded radio network parameter and cyclic redundancy check (CRC) code word for a user device, and wherein the CRC code word is based on the at least one HARQ-ACK feedback bit; and 
 a decoder coupled to the receiver circuit and configured to decode the uplink control information message (M) and output the at least one HARQ-ACK feedback bit and the radio network parameter (P) when a correct CRC condition is met. 
 
     
     
       12. A method in a wireless communication system, the method comprising:
 generating, by an encoder of a baseband processor, a cyclic redundancy check (CRC) code word based on at least one Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) feedback bit in response to a downlink carrier aggregation transmission; 
 jointly encoding, by the encoder, at least one radio network parameter (P) of the user device with the CRC code word; and 
 generating, by the encoder, an uplink control information message (M) comprising the at least one HARQ-ACK feedback bit and the jointly encoded radio network parameter and CRC code word. 
 
     
     
       13. The method according to  claim 12 , wherein the radio network parameter (P) indicates an identity of the user device. 
     
     
       14. The method according to  claim 12 , wherein the radio network parameter (P) indicates one or more of: a number of the HARQ-ACK feedback bits or an arrangement of the at least one HARQ-ACK feedback bit in the control information message (M). 
     
     
       15. The method according to  claim 14 , wherein the radio network parameter (P) further indicates one or more of: a downlink carrier, a downlink carrier group, a subframe, or a transport block for which the at least one HARQ-ACK feedback bit is transmitted. 
     
     
       16. The method according to  claim 15 , wherein the radio network parameter (P) is represented as a binary code word, and wherein each bit in the binary code word indicates one or more of: a downlink carrier, a downlink carrier group, a subframe, or a transport block for which the at least one HARQ-ACK feedback bit is transmitted. 
     
     
       17. The method according to  claim 14 , wherein the radio network parameter (P) further indicates an index value transmitted in a downlink control channel for determining the number of the HARQ-ACK feedback bits and the arrangement of the at least one HARQ-ACK feedback bit. 
     
     
       18. The method according to  claim 12 , wherein the radio network parameter (P) indicates a Scheduling Request (SR). 
     
     
       19. The method according to  claim 12 , wherein the CRC code word comprises one or more CRC bits, wherein and the radio network parameter (P) is represented as a binary code word, and wherein the method further comprises jointly encoding the radio network parameter (P) and the CRC code word by bit-wise addition of the one or more CRC bits with the binary code word. 
     
     
       20. A method in a wireless communication system, the method comprising:
 receiving, by a receiver circuit of a baseband processor, an uplink control information message (M) in an uplink channel, wherein the uplink control information message (M) comprises at least one Hybrid Automatic Repeat Request-Acknowledgment (HARQ-ACK) feedback bit in response to a downlink carrier aggregation transmission and at least one jointly encoded radio network parameter and cycle redundancy check (CRC) code word for a user device, and wherein the CRC code word is based on the at least one HARQ-ACK feedback bit; and 
 decoding, by a decoder of the baseband processor, the uplink control information message (M) and outputting the at least one HARQ-ACK feedback bit and the radio network parameter (P) when a correct CRC condition is met.